Pith Number

pith:I2FASLCD

pith:2007:I2FASLCD53QJZVFDJO5UXLXMFK

not attested not anchored not stored refs pending

X-Ray Variability Coherence in the Time Domain

Cong-Zhan Liu, Ti-Pei Li, Xiao Che

arxiv:astro-ph/0702250 v1 · 2007-02-09 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I2FASLCD53QJZVFDJO5UXLXMFK}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T04:29:06.630851Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

468a092c43eee09cd4a34bbb4baeec2a9482ed6f370cbe454103f562e5e5fa6f

Aliases

arxiv: astro-ph/0702250 · arxiv_version: astro-ph/0702250v1 · doi: 10.48550/arxiv.astro-ph/0702250 · pith_short_12: I2FASLCD53QJ · pith_short_16: I2FASLCD53QJZVFD · pith_short_8: I2FASLCD

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/I2FASLCD53QJZVFDJO5UXLXMFK \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 468a092c43eee09cd4a34bbb4baeec2a9482ed6f370cbe454103f562e5e5fa6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4ae2c633de8c5525ff8ff7b3baf96d449951fe8ccc4a1338e40133dab8aebaf",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-02-09T07:33:52Z",
    "title_canon_sha256": "ee558d8cd59a74b66885b1fea93d184e76722ec76455f44415a05752fa9571c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0702250",
    "kind": "arxiv",
    "version": 1
  }
}